Timescales of Intrinsic BOLD Signal Dynamics and Functional Connectivity in Pharmacologic and Neuropathologic States of Unconsciousness

Environmental events are processed on multiple timescales via hierarchical organization of temporal receptive windows (TRWs) in the brain. The dependence of neural timescales and TRWs on altered states of consciousness is unclear. States of reduced consciousness are marked by a shift toward slowing...

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Veröffentlicht in:	The Journal of neuroscience 2018-02, Vol.38 (9), p.2304-2317
Hauptverfasser:	Huang, Zirui, Liu, Xiaolin, Mashour, George A, Hudetz, Anthony G
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Anesthesia Brain Brain - drug effects Brain - physiology Consciousness Data processing Dependence Disorders EEG Electroencephalography Female Homogeneity Humans Hypnotics and Sedatives - pharmacology Information processing Magnetic Resonance Imaging Male Middle Aged Neural networks Neural Pathways - drug effects Neural Pathways - physiology Neuropathology Patients Pharmacology Prolongation Propofol Propofol - pharmacology Signatures Synchronism Synchronization Unconsciousness Unconsciousness - chemically induced Unconsciousness - physiopathology Young Adult
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Zusammenfassung:	Environmental events are processed on multiple timescales via hierarchical organization of temporal receptive windows (TRWs) in the brain. The dependence of neural timescales and TRWs on altered states of consciousness is unclear. States of reduced consciousness are marked by a shift toward slowing of neural dynamics (
ISSN:	0270-6474 1529-2401
DOI:	10.1523/JNEUROSCI.2545-17.2018